Density-functional tight-binding: basic concepts and applications to molecules and clusters

F Spiegelman, N Tarrat, J Cuny, L Dontot… - … in physics: X, 2020 - Taylor & Francis
The scope of this article is to present an overview of the Density Functional based Tight
Binding (DFTB) method and its applications. The paper introduces the basics of DFTB and …

Extended Hückel theory for band structure, chemistry, and transport. II. Silicon

D Kienle, KH Bevan, GC Liang, L Siddiqui… - Journal of applied …, 2006 - pubs.aip.org
In this second paper, we develop transferable semiempirical extended Hückel theoretical
(EHT) parameters for the electronic structure of another technologically important material …

Mn 2@ Si 15: the smallest triple ring tubular silicon cluster

H TanáPham, N MinháTam, L VanáDuong… - Physical Chemistry …, 2015 - pubs.rsc.org
The smallest triple ring tubular silicon cluster Mn2@ Si15 is reported for the first time.
Theoretical structural identification shows that the Mn2@ Si15 tubular structure whose triple …

Extensions of DFTB to investigate molecular complexes and clusters

M Rapacioli, A Simon, L Dontot… - physica status solidi …, 2012 - Wiley Online Library
Molecular complexes and clusters provide bridges between molecular and solid states
physics. Containing tens to few thousands of atoms, such systems can hardly be …

Self-consistent field tight-binding model for neutral and (multi-) charged carbon clusters

L Montagnon, F Spiegelman - The Journal of chemical physics, 2007 - pubs.aip.org
A semiempirical model for carbon clusters modeling is presented, along with structural and
dynamical applications. The model is a tight-binding scheme with additional one-and two …

Extended Hückel tight-binding approach to electronic excitations

L Rincón, A Hasmy, CA Gonzalez… - The Journal of chemical …, 2008 - pubs.aip.org
In this work, we propose the application of a self-consistent extended Hückel tight-binding
(EHTB) method in the computation of the absorption optical spectrum of molecules within the …

Charge states of bare silicon clusters up to Si8 by non-conventional tight-binding method

AP Mukhtarov, AB Normurodov… - Журнал нано-та …, 2015 - irbis-nbuv.gov.ua
A recently developed non-conventional tight-binding method was applied in combination
with molecular dynamics to compute the geometric structures and cohesion energies of …

Energetically competitive growth patterns of silicon clusters: Quasi-one-dimensional clusters versus diamond-like clusters

PL Tereshchuk, ZM Khakimov, FT Umarova… - Physical Review B …, 2007 - APS
Silicon clusters with a diamond-like core and energetically competitive non-diamond
clusters were studied using the nonconventional tight-binding molecular dynamics …

Main concepts and applications of DFTB approach

E Berdimurodov, L Guo, A Kholikov, K Akbarov… - Chemical Reactivity, 2023 - Elsevier
Currently, the density functional based tight binding (DFTB) method is widely used and very
important in the material and technology sciences. This is due to the DFTB-based theoretical …

Prediction of structures and related properties of silicon clusters

MB Ferraro - Journal of Computational Methods in Sciences …, 2007 - content.iospress.com
Silicon is one of the most important semi conducting materials employed in microelectronic
technologies. This chapter is dedicated to review the enormous effort made during the last …